Experimental densities, viscosities and heat capacities at different temperatures were presented over the entire mole fraction range for the binary mixture of 1,2-propanediol and water. Density values were used in the determination of excess molar volumes, V-E. At the same time, the excess viscosity was investigated. The values of V-E and eta(E) were fitted to the Redlich-Kister equation. Good agreement was observed. The excess volumes are negative over the entire range of composition. They show an U-shaped-concentration dependence and decrease in absolute values with increase of temperature. Values of eta(E) are negative over the entire range of the composition, and. The analysis shows that at any temperature the specific heat of mixture is a has a trend very similar to that of VE linear function of the composition as x(1) > 20%. All the extended lines intersect at one point. An empirical equation is obtained to calculate the specific heat to mixture at any composition and temperature in the experimental range.